This Speedball set comes with a variety of nibs that will produce different line widths and line effects.
Sketching Pen Set: Features (6) pointed pen nibs (#56, #99, #102, #107, #108, #512), (1) Standard Penholder and (1) Crowquill Holder.
#56 Standard School Nib-Stiff action, fine lines, bronze finish
#99 Drawing Nib-Extremely flexible with extra fine point
#102 Crow Quill Nib-Super fine lines, flexible
#107 Hawk Quill Nib-Super fine point, stiffer than #102, very durable, good for long even lines, cross-hatching and flourishes
#108 Litho Hawk Quill Nib-Superfine point for super fine lines, shades with slight pressure. good for cross-hatching and flourishing details
#512 Bowl Pointed Nib-Fine line pen nib for ruling or lettering